B6811
B6811 (JetBlue Airways) is a multi-stop service on 2 routes, busiest Boston to Chicago. Of 378 departures recorded from October 2024 to July 2026, 59.0% left on time, according to the US BTS.
- On-time departures59.0%of 378 flights
- Average delay31.4 min
- July 202627▲ 68.8%vs July 2025
- Cancelled3.2%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 31 | – |
| February | 4 | 11 | ▲ 175.0% |
| March | 26 | 12 | ▼ 53.8% |
| April | 17 | 17 | 0.0% |
| May | 26 | 29 | ▲ 11.5% |
| June | 21 | 19 | ▼ 9.5% |
| July | 16 | 27 | ▲ 68.8% |
| August | 18 | – | – |
| September | 18 | – | – |
| October | 27 | – | in progress |
| November | 24 | – | – |
| December | 23 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 62.1% | – |
| February | 100.0% | 63.6% | ▼ 36.4% |
| March | 69.2% | 63.6% | ▼ 8.1% |
| April | 88.2% | 47.1% | ▼ 46.7% |
| May | 46.2% | 62.1% | ▲ 34.5% |
| June | 57.1% | 61.1% | ▲ 6.9% |
| July | 57.1% | 26.1% | ▼ 54.3% |
| August | 72.2% | – | – |
| September | 44.4% | – | – |
| October | 50.0% | – | in progress |
| November | 60.9% | – | – |
| December | 65.2% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 2 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 2 | 4 | ▲ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 96.8% 366
- Cancelled 3.2% 12
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS ORD Boston Logan International Airport – Chicago O'Hare International Airport | 1,391 | 32.5 min | 56.3% | 332 |
| JFK LAS John F. Kennedy International Airport – Harry Reid International Airport | 3,609 | 23.2 min | 78.3% | 46 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 75.0% | 0 |
| February 2025 | 4 | 4 | 100.0% | 0 |
| March 2025 | 26 | 26 | 69.2% | 0 |
| April 2025 | 17 | 17 | 88.2% | 0 |
| May 2025 | 26 | 26 | 46.2% | 0 |
| June 2025 | 21 | 21 | 57.1% | 0 |
| July 2025 | 16 | 14 | 57.1% | 2 |
| August 2025 | 18 | 18 | 72.2% | 0 |
| September 2025 | 18 | 18 | 44.4% | 0 |
| October 2025 | 27 | 26 | 50.0% | 1 |
| November 2025 | 24 | 23 | 60.9% | 1 |
| December 2025 | 23 | 23 | 65.2% | 0 |
| January 2026 | 31 | 29 | 62.1% | 2 |
| February 2026 | 11 | 11 | 63.6% | 0 |
| March 2026 | 12 | 11 | 63.6% | 1 |
| April 2026 | 17 | 17 | 47.1% | 0 |
| May 2026 | 29 | 29 | 62.1% | 0 |
| June 2026 | 19 | 18 | 61.1% | 1 |
| July 2026 | 27 | 23 | 26.1% | 4 |